CN102730851A - Water treatment medicament with functions of inhibiting corrosion and scale and killing microbes - Google Patents
Water treatment medicament with functions of inhibiting corrosion and scale and killing microbes Download PDFInfo
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- CN102730851A CN102730851A CN2012102392681A CN201210239268A CN102730851A CN 102730851 A CN102730851 A CN 102730851A CN 2012102392681 A CN2012102392681 A CN 2012102392681A CN 201210239268 A CN201210239268 A CN 201210239268A CN 102730851 A CN102730851 A CN 102730851A
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- maleic anhydride
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Abstract
The invention discloses a water treatment medicament with functions of inhibiting corrosion and scale and killing microbes. The water treatment medicament is a polyepoxysuccinic acid/bronopol copolymer, wherein polyepoxysuccinic acid serves as a main body, and then is subjected to polymerization after being grafted with bronopol so as to obtain the polyepoxysuccinic acid/bronopol copolymer, the copolymer does not contain phosphorus, can be biodegradable, has a very good effect of inhibiting the corrosion and the scale, and has certain effect of killing the microbes due to the existence of oxidising bromine atom. The polyepoxysuccinic acid/bronopol copolymer prepared by using the method disclosed by the invention has the scale inhibition rate on calcium carbonate and corrosion inhibition rate on carbon steel similar to those of the polyepoxysuccinic acid, so that the effects of scale inhibition and corrosion inhibition of the water treatment medicament can be ensured.
Description
Technical field
The invention belongs to water-treatment technology field, be specifically related to a kind of corrosion-mitigation scale-inhibition and water treatment agent of effect and preparation method thereof of killing livestock of having concurrently.
Background technology
The recirculated cooling water treatment technology has a very important role to water saving, problem such as energy-conservation, but also affects to environment in the use of the medicament of circulating water treatment simultaneously.In cooling water system, water temperature is higher than under the various occasions of envrionment temperature, and the fouling meeting of inorganic salt such as lime carbonate brings serious consequence.In recent years; In water treatment field, using basic, the water technology of not regulating the pH value are growing, wherein add the corrosion-mitigation scale-inhibition medicament; Low-phosphorous, without phosphorus prescription application more and more widely, without phosphorus green water treatment agent has become the hot subject of domestic and international water conditioner research aspect.The effectively protection against corrosion and prevent fouling of scientific utilization water treatment agent, thereby the utilization ratio of raising equipment and water and reach the purpose of practicing thrift the water source and the energy.
U.S. Pat P5062962 and U.S. Pat P5147555 show that poly-epoxy succinic acid has good scale inhibition effect to lime carbonate, calcium sulfate, permanent white; And has a good corrosion inhibition; Because its without phosphorus, no nitrogen, biodegradable belongs to green chemical truly.
In addition, in various water systems, there are various source of pollution inevitably, particularly some mikrobes such as bacterium algae, but large-scale breeding spreads havoc water quality, and the container of storage of water system produced great corrosion failure effect.
Cloth sieve bohr is a kind of non-oxidizable sterilant of high-efficiency broad spectrum.
Summary of the invention
The objective of the invention is to deficiency to above-mentioned prior art; The water treatment agent that has the corrosion-mitigation scale-inhibition and the effect of killing livestock concurrently of a kind of " green " is provided; Not only not phosphorous; Have certain corrosion-mitigation scale-inhibition effect, and have the bromo element of killing livestock and acting on, increase the ability of killing livestock of water treatment agent through introducing.
For achieving the above object, the technical scheme that the present invention takes is: a kind of water treatment agent that has the corrosion-mitigation scale-inhibition and the effect of killing livestock concurrently is provided, and it is characterized in that: this water treatment agent has following structure:
M is H in the formula
+Or water-soluble oxonium ion Na
+, K
+, NH
4 +In at least a ion, n representes the polymerization degree, n=1 ~ 50.
The present invention also provides a kind of above-mentioned preparation method who has the corrosion-mitigation scale-inhibition and the water treatment agent of the effect of killing livestock concurrently, it is characterized in that: may further comprise the steps:
A, dissolving are used deionized water dissolving with raw material maleic anhydride and Bu Luo bohr;
B, adjusting pH value, slow adding mass concentration is 30% sodium hydroxide solution under agitation condition, conditioned reaction liquid pH value is 6～8;
C, heating in water bath, heating in water bath to 40～60 ℃, the reaction times is 1～4 hour;
D, epoxidation reaction; Add sodium wolframate as catalyzer, divide 5 batches to add mass concentration 30% ydrogen peroxide 50 then, every batch of ydrogen peroxide 50 joining day is spaced apart 30 minutes; It is 5 ~ 6 that every batch of ydrogen peroxide 50 adds the pH value of using the sodium hydroxide solution of mass concentration 30% to control reaction solution in the back; Control reaction temperature is 60～70 ℃, and after ydrogen peroxide 50 all added, the epoxidation reaction of maleic anhydride was carried out in reaction in 1～3 hour;
E, ring opening copolymer reaction, the solution that steps d is obtained is warming up to 80～100 ℃, adds calcium hydroxide and carries out the ring opening copolymer reaction, and the reaction times is 1～3 hour; After-filtration is accomplished in reaction, underpressure distillation dewaters, and obtains yellow viscous liquid and is poly-epoxy succinic acid/cloth sieve bohr multipolymer;
Wherein: the mol ratio of above-mentioned raw materials maleic anhydride and cloth sieve bohr is 1:0.1～1:1;
The add-on of above-mentioned sodium wolframate is that the mol ratio of sodium wolframate and maleic anhydride is 0.05:1～0.08:1;
The add-on of above-mentioned ydrogen peroxide 50 is that the mol ratio of ydrogen peroxide 50 and maleic anhydride is 1:1～1:0.5;
The add-on of above-mentioned calcium hydroxide is that the mol ratio of calcium hydroxide and maleic anhydride is 0.005:1～0.2:1.
Synthetic route of the present invention can be described below:
The sodium hydroxide solution that the present invention adopts also can take other basic soln to substitute, like potassium hydroxide solution, ammoniacal liquor etc.
The purity of the maleic anhydride that the present invention adopts, cloth sieve bohr, sodium wolframate, calcium hydroxide is analytical pure; Wherein, sodium wolframate is Na
2WO
42H
2O.
Water treatment agent that has the corrosion-mitigation scale-inhibition and the effect of killing livestock concurrently provided by the invention and preparation method thereof has following beneficial effect:
1, this water treatment agent is poly-epoxy succinic acid/cloth sieve bohr multipolymer; With the poly-epoxy succinic acid is main body; Grafting cloth sieve bohr post polymerization obtains poly-epoxy succinic acid/cloth sieve bohr multipolymer, and this multipolymer is not only not phosphorous, biodegradable; Have good corrosion-mitigation scale-inhibition effect, and because the existence of oxidisability bromine atoms also has certain effect of killing livestock;
2, the poly-epoxy succinic acid/cloth sieve bohr multipolymer through preparation method provided by the invention preparation, similar with poly-epoxy succinic acid basically to the lime carbonate scale inhibition performance with to the corrosion inhibition rate of carbon steel, guaranteed the corrosion-mitigation scale-inhibition effect of water treatment agent.
Embodiment
Below in conjunction with embodiment and experimental example the present invention is carried out detailed description, but they not to starve further restriction to the present invention.
Embodiment 1: in the four-hole boiling flask of being furnished with TM, pH meter, prolong, whisking appliance, tap funnel, add 33.7g maleic anhydride and 25.2g cloth sieve bohr, mix.Add the 40ml deionized water dissolving; Under agitation slowly adding mass concentration and be 30% sodium hydroxide solution conditioned reaction liquid pH value is 6 ~ 8; The reaction 1 ~ 4 hour that is hydrolyzed of heating in water bath to 40 ~ 60 ℃, maleic anhydride; Add the 8.02g sodium wolframate as catalyzer; Dividing 5 batches of adding total amounts then is mass concentration 30% ydrogen peroxide 50 of 47.0g, and every batch of ydrogen peroxide 50 joining day is spaced apart 30 minutes, and it is 5 ~ 6 that every batch of ydrogen peroxide 50 adds back use mass concentration 30% sodium hydroxide solution control reacting liquid pH value; Control reaction temperature is 60 ~ 70 ℃; After ydrogen peroxide 50 all adds, reacted 1 ~ 3 hour, carry out the epoxidation reaction of maleic anhydride; Again the solution that obtains is warming up to 80 ~ 100 ℃, adds 3.0g calcium hydroxide and carry out the ring opening copolymer reaction, the reaction times is 1 ~ 3 hour; After-filtration is accomplished in reaction, underpressure distillation dewaters, and obtains yellow viscous liquid and is poly-epoxy succinic acid/cloth sieve bohr multipolymer.
Embodiment 2～12 reactions step such as embodiment 1, each material consumption is as shown in table 1.
The performance test experiment:
1, the test of the lime carbonate static-state scale inhibition performance of the product that obtains of embodiment 1 ~ 12 is carried out with reference to " State Standard of the People's Republic of China GB/T 16632-2008, the mensuration tosca method of water conditioner scale-inhibiting properties ";
2, the test of the corrosion inhibition of the product that obtains of embodiment 1 ~ 12 is carried out with reference to " State Standard of the People's Republic of China GB/T 18175-2000, the mensuration rotary hanging plate method of water conditioner corrosion inhibition "; Adopt on the RC-III type rotary hanging plate corrosion tester and carry out the corrosion inhibition experiment, 45 ℃ of temperature, rotating speed 76r/min, not preparatory film lacing film, experimental period 72 hours, the test piece of 20# carbon steel, 50mm * 25mm * 2mm; Corrosion-mitigation scale-inhibition experimental water matter index is as shown in table 2; Concrete anticorrosion-antiscaling effect situation is as shown in table 3;
3, the product that embodiment 1 ~ 12 is obtained is added in the industrial cycle water system, acts on after 24 hours, extracts the recirculated water of handling through sterilization algae removal and detects, and concrete sterilization algae removal situation is as shown in table 4.
Table 1: the raw material and the composition of preparation poly-epoxy succinic acid/cloth sieve bohr multipolymer:
Table 2: the corrosion-mitigation scale-inhibition experimental water is from water distribution, and its water-quality guideline is as follows:
| Hardness is (with CaCO 3Meter)/mg.L -1 | Basicity is (with CaCO 3Meter)/mg.L -1 |
| 500 | 500 |
Table 3: corrosion and scale inhibition performance test result
| Experiment numbers | The lime carbonate scale inhibition performance [a]（%） | Corrosion inhibition rate [b]（%） |
| Embodiment 1 | 80.23 | 45.52 |
| Embodiment 2 | 75.56 | 44.22 |
| Embodiment 3 | 82.46 | 46.89 |
| Embodiment 4 | 85.52 | 51.32 |
| Embodiment 5 | 86.24 | 50.22 |
| Embodiment 6 | 89.25 | 54.04 |
| Embodiment 7 | 88.21 | 55.31 |
| Embodiment 8 | 91.55 | 50.15 |
| Embodiment 9 | 81.06 | 41.01 |
| Embodiment 10 | 80.02 | 40.45 |
| Embodiment 11 | 69.21 | 35.24 |
| Embodiment 12 | 67.18 | 30.59 |
Annotate: [a] lime carbonate scale inhibition experimental pharmacy concentration is 15mg/L;
[b] inhibition experimental pharmacy concentration is 50mg/L.
Table 4: sterilization algae removal The performance test results
Claims (2)
1. one kind has corrosion-mitigation scale-inhibition concurrently and the water treatment agent of the effect of killing livestock, and it is characterized in that: this water treatment agent has following structure:
M is H in the formula
+Or water-soluble oxonium ion Na
+, K
+, NH
4 +In at least a ion, n representes the polymerization degree, n=1 ~ 50.
2. the described preparation method who has the corrosion-mitigation scale-inhibition and the water treatment agent of the effect of killing livestock concurrently of a claim 1 is characterized in that: may further comprise the steps:
A, dissolving are used deionized water dissolving with raw material maleic anhydride and Bu Luo bohr;
B, adjusting pH value, slow adding mass concentration is 30% sodium hydroxide solution under agitation condition, conditioned reaction liquid pH value is 6～8;
C, heating in water bath, heating in water bath to 40～60 ℃, the reaction times is 1～4 hour;
D, epoxidation reaction; Add sodium wolframate as catalyzer, divide 5 batches to add mass concentration 30% ydrogen peroxide 50 then, every batch of ydrogen peroxide 50 joining day is spaced apart 30 minutes; It is 5 ~ 6 that every batch of ydrogen peroxide 50 adds the pH value of using the sodium hydroxide solution of mass concentration 30% to control reaction solution in the back; Control reaction temperature is 60～70 ℃, and after ydrogen peroxide 50 all added, the epoxidation reaction of maleic anhydride was carried out in reaction in 1～3 hour;
E, ring opening copolymer reaction, the solution that steps d is obtained is warming up to 80～100 ℃, adds calcium hydroxide and carries out the ring opening copolymer reaction, and the reaction times is 1～3 hour; After-filtration is accomplished in reaction, underpressure distillation dewaters, and obtains yellow viscous liquid and is poly-epoxy succinic acid/cloth sieve bohr multipolymer;
Wherein: the mol ratio of above-mentioned raw materials maleic anhydride and cloth sieve bohr is 1:0.1～1:1;
The add-on of above-mentioned sodium wolframate is that the mol ratio of sodium wolframate and maleic anhydride is 0.05:1～0.08:1;
The add-on of above-mentioned ydrogen peroxide 50 is that the mol ratio of ydrogen peroxide 50 and maleic anhydride is 1:1～1:0.5;
The add-on of above-mentioned calcium hydroxide is that the mol ratio of calcium hydroxide and maleic anhydride is 0.005:1～0.2:1.
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|---|---|---|---|
| CN 201210239268 CN102730851B (en) | 2012-07-11 | 2012-07-11 | Water treatment medicament with functions of inhibiting corrosion and scale and killing microbes |
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| CN 201210239268 CN102730851B (en) | 2012-07-11 | 2012-07-11 | Water treatment medicament with functions of inhibiting corrosion and scale and killing microbes |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103265124A (en) * | 2013-06-08 | 2013-08-28 | 成都润兴消毒药业有限公司 | Corrosion and scale inhibitor and preparation method thereof |
| CN104071905A (en) * | 2014-06-25 | 2014-10-01 | 山东省泰和水处理有限公司 | Production method for epoxy succinic acid copolymer water treatment agent |
| CN108949319A (en) * | 2018-07-26 | 2018-12-07 | 界首市鑫龙机械设备购销有限公司 | A kind of metal machinery lubricant with inhibition antiseptic property |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5248438A (en) * | 1992-01-28 | 1993-09-28 | Betz Laboratories, Inc. | Methods of controlling scale formation in aqueous systems |
| US5378390A (en) * | 1993-07-29 | 1995-01-03 | Betz Laboratories, Inc. | Composition for controlling scale formation in aqueous systems |
| EP0714859A2 (en) * | 1994-11-29 | 1996-06-05 | Betz Europe, Inc. | Methods for controlling scale formation in aqueous systems |
| US5866011A (en) * | 1997-04-25 | 1999-02-02 | Betzdearborn Inc. | Method of controlling scale formation in brine concentration and evaporation system |
| CN1357497A (en) * | 2000-12-09 | 2002-07-10 | 巴陵石化岳阳石油化工总厂 | Circular cooling water quality stabilizer |
| CN1371872A (en) * | 2001-02-28 | 2002-10-02 | 中国石油化工股份有限公司巴陵分公司 | Chemical formula for on-line clean of circular cooling water system |
| CN1807287A (en) * | 2006-02-14 | 2006-07-26 | 高同柱 | Highly effective multifunctional reverse osmosis membrane antiscaling agent and its preparation method |
-
2012
- 2012-07-11 CN CN 201210239268 patent/CN102730851B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5248438A (en) * | 1992-01-28 | 1993-09-28 | Betz Laboratories, Inc. | Methods of controlling scale formation in aqueous systems |
| US5378390A (en) * | 1993-07-29 | 1995-01-03 | Betz Laboratories, Inc. | Composition for controlling scale formation in aqueous systems |
| EP0714859A2 (en) * | 1994-11-29 | 1996-06-05 | Betz Europe, Inc. | Methods for controlling scale formation in aqueous systems |
| US5866011A (en) * | 1997-04-25 | 1999-02-02 | Betzdearborn Inc. | Method of controlling scale formation in brine concentration and evaporation system |
| CN1357497A (en) * | 2000-12-09 | 2002-07-10 | 巴陵石化岳阳石油化工总厂 | Circular cooling water quality stabilizer |
| CN1371872A (en) * | 2001-02-28 | 2002-10-02 | 中国石油化工股份有限公司巴陵分公司 | Chemical formula for on-line clean of circular cooling water system |
| CN1807287A (en) * | 2006-02-14 | 2006-07-26 | 高同柱 | Highly effective multifunctional reverse osmosis membrane antiscaling agent and its preparation method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103265124A (en) * | 2013-06-08 | 2013-08-28 | 成都润兴消毒药业有限公司 | Corrosion and scale inhibitor and preparation method thereof |
| CN104071905A (en) * | 2014-06-25 | 2014-10-01 | 山东省泰和水处理有限公司 | Production method for epoxy succinic acid copolymer water treatment agent |
| CN108949319A (en) * | 2018-07-26 | 2018-12-07 | 界首市鑫龙机械设备购销有限公司 | A kind of metal machinery lubricant with inhibition antiseptic property |
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| CN102730851B (en) | 2013-09-11 |
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